article thumbnail

ORNL demos 20 kW bi-directional wireless charging on UPS PHEV truck; 11" air gap, >92% efficiency

Green Car Congress

Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) in late February demonstrated a 20-kilowatt bi-directional wireless charging system installed on a UPS medium-duty, plug-in hybrid electric delivery truck. ORNL’s bidirectional technology is fully compliant with grid power quality standards.

Charging 380
article thumbnail

Nissan and 4R Energy develop new EV charging system combining solar and Li-ion batteries

Green Car Congress

and 4R Energy Corporation, a joint venture established by Nissan and Sumitomo Corporation in September 2010 to explore second-life applications for automotive battery packs ( earlier post ), have developed a charging system for electric vehicles that combines a solar power generation system with high-capacity lithium-ion batteries.

Solar 246
article thumbnail

Solar and Battery Companies Rattle Utility Powerhouses

Cars That Think

It's being marketed as the " Tesla Energy Plan ," and is available to any individual household in this region of 24 million people that has a solar panel system, a grid connection—and a Tesla powerwall, the Palo Alto firm's gigafactory-made 13.5 kWh battery wall unit. For bigger national grids it gets more complicated.

Solar 116
article thumbnail

BMW i ChargeForward Program to demo contribution of intelligent EV charging to grid efficiency

Green Car Congress

Working with a select group of BMW i3 drivers, BMW i ChargeForward will demonstrate how intelligent management of electric vehicle charging can contribute to improved electric power grid efficiency while reducing total cost of electric vehicle ownership.

Grid 150
article thumbnail

ICL model predicts lithium-ion batteries most competitive for storage applications by 2030

Green Car Congress

levelized cost)—as opposed to the investment cost—of 9 electricity storage technologies for 12 different applications between 2015 and 2050. We have found that lithium-ion batteries are following in the footsteps of crystalline silicon solar panels. Credit: Schmidt et al. 2018.12.008.

article thumbnail

How Smart EV Charging Will Help Promote Renewable Power Generation

Wallbox

The proportion of grid electricity generated by renewables such as wind and solar energy fluctuates depending on how hard the wind is blowing or how strong the sun is shining. With grids increasingly powered by renewables, electrical demand has to follow supply. The flexibility of controlled EV charging.

article thumbnail

BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

Green Car Congress

The battery storage system electrified by BMW i is sized so it can be placed in the basement or the garage of a detached house, where the stored energy can either be used for electrically-operated devices in the home or for charging the battery of an electric car. BMW i 360° Electric.